NAICS 221121: Electric Bulk Power Transmission and Control
This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities.  The transmission system includes lines and transformer stations.

ExioML sector: Transmission services of electricity
Region: US | Year: 2022
Sector value added: 26803.4483476 M EUR | Employment: 50.7831819186 thousand persons
Sector GHG emissions: 3100030310.09 kg CO2 eq | Energy carrier net total: 70720.7564122 TJ | Carbon intensity: 0.1156578910999554

Company: National Grid USA
National Grid USA operates as an electricity and gas utility company. The Company focuses on transmission and distribution of electricity and natural gas to residential and commercial customers. National Grid USA serves customers in the United States.